package com.flower.salary.common.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.Arrays;

/**
 * @author lavender
 * @version 1.0
 * @date 2023-12-20 22:13
 * 跨域请求
 */
@Configuration
public class CorsConfig implements WebMvcConfigurer {
    @Bean
    CorsFilter corsFilter() {
        //1. 添加 CORS配置信息
        CorsConfiguration config = new CorsConfiguration();
        //放行哪些原始域
        config.addAllowedOriginPattern("*");
        //是否发送 Cookie
        config.setAllowCredentials(true);
        //放行哪些请求方式
        config.addAllowedMethod("*");
        //放行哪些原始请求头部信息
        config.addAllowedHeader("*");
        //暴露哪些头部信息
        config.addExposedHeader("*");
        //2. 添加映射路径
        UrlBasedCorsConfigurationSource corsConfigurationSource = new UrlBasedCorsConfigurationSource();
        corsConfigurationSource.registerCorsConfiguration("/**",config);
        //3. 返回新的CorsFilter
        return new CorsFilter(corsConfigurationSource);

    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //注册配置类，使用addResourceHandlers方法，将本地路径fileLocation映射到filePath路由上。
        registry.addResourceHandler("/img/**").addResourceLocations("file:///E:/img/");
        WebMvcConfigurer.super.addResourceHandlers(registry);
    }
}
